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342 lines
13 KiB
C++
342 lines
13 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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// own
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#include "globalshortcuts.h"
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// config
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#include <config-kwin.h>
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// kwin
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#include "gestures.h"
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#include "kwinglobals.h"
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#include "main.h"
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#include "utils/common.h"
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// KDE
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#include <KGlobalAccel/private/kglobalaccel_interface.h>
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#include <KGlobalAccel/private/kglobalacceld.h>
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// Qt
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#include <QAction>
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// system
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#include <signal.h>
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#include <variant>
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namespace KWin
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{
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GlobalShortcut::GlobalShortcut(Shortcut &&sc, QAction *action)
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: m_shortcut(sc)
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, m_action(action)
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{
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static const QMap<SwipeDirection, SwipeGesture::Direction> swipeDirs = {
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{SwipeDirection::Up, SwipeGesture::Direction::Up},
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{SwipeDirection::Down, SwipeGesture::Direction::Down},
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{SwipeDirection::Left, SwipeGesture::Direction::Left},
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{SwipeDirection::Right, SwipeGesture::Direction::Right},
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};
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static const QMap<PinchDirection, PinchGesture::Direction> pinchDirs = {
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{PinchDirection::Expanding, PinchGesture::Direction::Expanding},
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{PinchDirection::Contracting, PinchGesture::Direction::Contracting}};
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if (auto swipeGesture = std::get_if<SwipeShortcut>(&sc)) {
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m_swipeGesture.reset(new SwipeGesture());
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m_swipeGesture->setDirection(swipeDirs[swipeGesture->direction]);
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m_swipeGesture->setMaximumFingerCount(swipeGesture->fingerCount);
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m_swipeGesture->setMinimumFingerCount(swipeGesture->fingerCount);
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QObject::connect(m_swipeGesture.get(), &SwipeGesture::triggered, m_action, &QAction::trigger, Qt::QueuedConnection);
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} else if (auto rtSwipeGesture = std::get_if<RealtimeFeedbackSwipeShortcut>(&sc)) {
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m_swipeGesture.reset(new SwipeGesture());
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m_swipeGesture->setDirection(swipeDirs[rtSwipeGesture->direction]);
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m_swipeGesture->setMinimumDelta(QSizeF(200, 200));
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m_swipeGesture->setMaximumFingerCount(rtSwipeGesture->fingerCount);
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m_swipeGesture->setMinimumFingerCount(rtSwipeGesture->fingerCount);
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QObject::connect(m_swipeGesture.get(), &SwipeGesture::triggered, m_action, &QAction::trigger, Qt::QueuedConnection);
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QObject::connect(m_swipeGesture.get(), &SwipeGesture::cancelled, m_action, &QAction::trigger, Qt::QueuedConnection);
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QObject::connect(m_swipeGesture.get(), &SwipeGesture::progress, [cb = rtSwipeGesture->progressCallback](qreal v) {
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cb(v);
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});
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} else if (auto pinchGesture = std::get_if<PinchShortcut>(&sc)) {
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m_pinchGesture.reset(new PinchGesture());
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m_pinchGesture->setDirection(pinchDirs[pinchGesture->direction]);
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m_pinchGesture->setMaximumFingerCount(pinchGesture->fingerCount);
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m_pinchGesture->setMinimumFingerCount(pinchGesture->fingerCount);
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QObject::connect(m_pinchGesture.get(), &PinchGesture::triggered, m_action, &QAction::trigger, Qt::QueuedConnection);
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} else if (auto rtPinchGesture = std::get_if<RealtimeFeedbackPinchShortcut>(&sc)) {
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m_pinchGesture.reset(new PinchGesture());
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m_pinchGesture->setDirection(pinchDirs[rtPinchGesture->direction]);
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m_pinchGesture->setMaximumFingerCount(rtPinchGesture->fingerCount);
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m_pinchGesture->setMinimumFingerCount(rtPinchGesture->fingerCount);
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QObject::connect(m_pinchGesture.get(), &PinchGesture::triggered, m_action, &QAction::trigger, Qt::QueuedConnection);
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QObject::connect(m_pinchGesture.get(), &PinchGesture::cancelled, m_action, &QAction::trigger, Qt::QueuedConnection);
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QObject::connect(m_pinchGesture.get(), &PinchGesture::progress, [cb = rtPinchGesture->scaleCallback](qreal v) {
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cb(v);
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});
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}
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}
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GlobalShortcut::~GlobalShortcut()
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{
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}
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QAction *GlobalShortcut::action() const
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{
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return m_action;
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}
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void GlobalShortcut::invoke() const
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{
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QMetaObject::invokeMethod(m_action, "trigger", Qt::QueuedConnection);
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}
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const Shortcut &GlobalShortcut::shortcut() const
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{
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return m_shortcut;
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}
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SwipeGesture *GlobalShortcut::swipeGesture() const
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{
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return m_swipeGesture.get();
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}
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PinchGesture *GlobalShortcut::pinchGesture() const
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{
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return m_pinchGesture.get();
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}
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GlobalShortcutsManager::GlobalShortcutsManager(QObject *parent)
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: QObject(parent)
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, m_touchpadGestureRecognizer(new GestureRecognizer(this))
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, m_touchscreenGestureRecognizer(new GestureRecognizer(this))
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{
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}
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GlobalShortcutsManager::~GlobalShortcutsManager()
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{
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}
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void GlobalShortcutsManager::init()
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{
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if (kwinApp()->shouldUseWaylandForCompositing()) {
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qputenv("KGLOBALACCELD_PLATFORM", QByteArrayLiteral("org.kde.kwin"));
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m_kglobalAccel = std::make_unique<KGlobalAccelD>();
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if (!m_kglobalAccel->init()) {
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qCDebug(KWIN_CORE) << "Init of kglobalaccel failed";
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m_kglobalAccel.reset();
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} else {
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qCDebug(KWIN_CORE) << "KGlobalAcceld inited";
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}
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}
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}
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void GlobalShortcutsManager::objectDeleted(QObject *object)
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{
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auto it = m_shortcuts.begin();
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while (it != m_shortcuts.end()) {
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if (it->action() == object) {
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it = m_shortcuts.erase(it);
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} else {
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++it;
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}
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}
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}
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bool GlobalShortcutsManager::addIfNotExists(GlobalShortcut sc, DeviceType device)
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{
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for (const auto &cs : qAsConst(m_shortcuts)) {
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if (sc.shortcut() == cs.shortcut()) {
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return false;
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}
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}
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const auto &recognizer = device == DeviceType::Touchpad ? m_touchpadGestureRecognizer : m_touchscreenGestureRecognizer;
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if (std::holds_alternative<SwipeShortcut>(sc.shortcut()) || std::holds_alternative<RealtimeFeedbackSwipeShortcut>(sc.shortcut())) {
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recognizer->registerSwipeGesture(sc.swipeGesture());
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} else if (std::holds_alternative<PinchShortcut>(sc.shortcut()) || std::holds_alternative<RealtimeFeedbackPinchShortcut>(sc.shortcut())) {
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recognizer->registerPinchGesture(sc.pinchGesture());
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}
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connect(sc.action(), &QAction::destroyed, this, &GlobalShortcutsManager::objectDeleted);
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m_shortcuts.push_back(std::move(sc));
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return true;
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}
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void GlobalShortcutsManager::registerPointerShortcut(QAction *action, Qt::KeyboardModifiers modifiers, Qt::MouseButtons pointerButtons)
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{
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addIfNotExists(GlobalShortcut(PointerButtonShortcut{modifiers, pointerButtons}, action));
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}
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void GlobalShortcutsManager::registerAxisShortcut(QAction *action, Qt::KeyboardModifiers modifiers, PointerAxisDirection axis)
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{
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addIfNotExists(GlobalShortcut(PointerAxisShortcut{modifiers, axis}, action));
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}
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void GlobalShortcutsManager::registerTouchpadSwipe(QAction *action, SwipeDirection direction, uint fingerCount)
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{
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addIfNotExists(GlobalShortcut(SwipeShortcut{DeviceType::Touchpad, direction, fingerCount}, action), DeviceType::Touchpad);
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}
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void GlobalShortcutsManager::registerRealtimeTouchpadSwipe(QAction *action, std::function<void(qreal)> progressCallback, SwipeDirection direction, uint fingerCount)
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{
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addIfNotExists(GlobalShortcut(RealtimeFeedbackSwipeShortcut{DeviceType::Touchpad, direction, progressCallback, fingerCount}, action), DeviceType::Touchpad);
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}
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void GlobalShortcutsManager::registerTouchpadPinch(QAction *action, PinchDirection direction, uint fingerCount)
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{
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addIfNotExists(GlobalShortcut(PinchShortcut{direction, fingerCount}, action), DeviceType::Touchpad);
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}
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void GlobalShortcutsManager::registerRealtimeTouchpadPinch(QAction *onUp, std::function<void(qreal)> progressCallback, PinchDirection direction, uint fingerCount)
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{
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addIfNotExists(GlobalShortcut(RealtimeFeedbackPinchShortcut{direction, progressCallback, fingerCount}, onUp), DeviceType::Touchpad);
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}
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void GlobalShortcutsManager::registerTouchscreenSwipe(QAction *action, std::function<void(qreal)> progressCallback, SwipeDirection direction, uint fingerCount)
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{
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addIfNotExists(GlobalShortcut(RealtimeFeedbackSwipeShortcut{DeviceType::Touchscreen, direction, progressCallback, fingerCount}, action), DeviceType::Touchscreen);
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}
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void GlobalShortcutsManager::forceRegisterTouchscreenSwipe(QAction *action, std::function<void(qreal)> progressCallback, SwipeDirection direction, uint fingerCount)
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{
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GlobalShortcut shortcut{RealtimeFeedbackSwipeShortcut{DeviceType::Touchscreen, direction, progressCallback, fingerCount}, action};
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const auto it = std::find_if(m_shortcuts.begin(), m_shortcuts.end(), [&shortcut](const auto &s) {
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return shortcut.shortcut() == s.shortcut();
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});
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if (it != m_shortcuts.end()) {
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m_shortcuts.erase(it);
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}
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m_touchscreenGestureRecognizer->registerSwipeGesture(shortcut.swipeGesture());
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connect(shortcut.action(), &QAction::destroyed, this, &GlobalShortcutsManager::objectDeleted);
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m_shortcuts.push_back(std::move(shortcut));
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}
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bool GlobalShortcutsManager::processKey(Qt::KeyboardModifiers mods, int keyQt)
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{
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if (m_kglobalAccelInterface) {
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if (!keyQt && !mods) {
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return false;
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}
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auto check = [this](Qt::KeyboardModifiers mods, int keyQt) {
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bool retVal = false;
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QMetaObject::invokeMethod(m_kglobalAccelInterface,
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"checkKeyPressed",
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Qt::DirectConnection,
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Q_RETURN_ARG(bool, retVal),
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Q_ARG(int, int(mods) | keyQt));
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return retVal;
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};
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if (check(mods, keyQt)) {
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return true;
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} else if (keyQt == Qt::Key_Backtab) {
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// KGlobalAccel on X11 has some workaround for Backtab
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// see kglobalaccel/src/runtime/plugins/xcb/kglobalccel_x11.cpp method x11KeyPress
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// Apparently KKeySequenceWidget captures Shift+Tab instead of Backtab
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// thus if the key is backtab we should adjust to add shift again and use tab
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// in addition KWin registers the shortcut incorrectly as Alt+Shift+Backtab
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// this should be changed to either Alt+Backtab or Alt+Shift+Tab to match KKeySequenceWidget
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// trying the variants
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if (check(mods | Qt::ShiftModifier, keyQt)) {
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return true;
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}
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if (check(mods | Qt::ShiftModifier, Qt::Key_Tab)) {
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return true;
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}
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}
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}
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return false;
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}
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bool GlobalShortcutsManager::processKeyRelease(Qt::KeyboardModifiers mods, int keyQt)
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{
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if (m_kglobalAccelInterface) {
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QMetaObject::invokeMethod(m_kglobalAccelInterface,
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"checkKeyReleased",
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Qt::DirectConnection,
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Q_ARG(int, int(mods) | keyQt));
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}
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return false;
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}
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template<typename ShortcutKind, typename... Args>
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bool match(QVector<GlobalShortcut> &shortcuts, Args... args)
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{
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for (auto &sc : shortcuts) {
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if (std::holds_alternative<ShortcutKind>(sc.shortcut())) {
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if (std::get<ShortcutKind>(sc.shortcut()) == ShortcutKind{args...}) {
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sc.invoke();
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return true;
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}
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}
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}
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return false;
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}
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// TODO(C++20): use ranges for a nicer way of filtering by shortcut type
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bool GlobalShortcutsManager::processPointerPressed(Qt::KeyboardModifiers mods, Qt::MouseButtons pointerButtons)
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{
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return match<PointerButtonShortcut>(m_shortcuts, mods, pointerButtons);
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}
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bool GlobalShortcutsManager::processAxis(Qt::KeyboardModifiers mods, PointerAxisDirection axis)
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{
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return match<PointerAxisShortcut>(m_shortcuts, mods, axis);
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}
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void GlobalShortcutsManager::processSwipeStart(DeviceType device, uint fingerCount)
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{
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if (device == DeviceType::Touchpad) {
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m_touchpadGestureRecognizer->startSwipeGesture(fingerCount);
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} else {
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m_touchscreenGestureRecognizer->startSwipeGesture(fingerCount);
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}
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}
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void GlobalShortcutsManager::processSwipeUpdate(DeviceType device, const QSizeF &delta)
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{
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if (device == DeviceType::Touchpad) {
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m_touchpadGestureRecognizer->updateSwipeGesture(delta);
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} else {
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m_touchscreenGestureRecognizer->updateSwipeGesture(delta);
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}
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}
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void GlobalShortcutsManager::processSwipeCancel(DeviceType device)
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{
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if (device == DeviceType::Touchpad) {
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m_touchpadGestureRecognizer->cancelSwipeGesture();
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} else {
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m_touchscreenGestureRecognizer->cancelSwipeGesture();
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}
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}
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void GlobalShortcutsManager::processSwipeEnd(DeviceType device)
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{
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if (device == DeviceType::Touchpad) {
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m_touchpadGestureRecognizer->endSwipeGesture();
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} else {
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m_touchscreenGestureRecognizer->endSwipeGesture();
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}
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// TODO: cancel on Wayland Seat if one triggered
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}
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void GlobalShortcutsManager::processPinchStart(uint fingerCount)
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{
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m_touchpadGestureRecognizer->startPinchGesture(fingerCount);
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}
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void GlobalShortcutsManager::processPinchUpdate(qreal scale, qreal angleDelta, const QSizeF &delta)
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{
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m_touchpadGestureRecognizer->updatePinchGesture(scale, angleDelta, delta);
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}
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void GlobalShortcutsManager::processPinchCancel()
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{
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m_touchpadGestureRecognizer->cancelPinchGesture();
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}
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void GlobalShortcutsManager::processPinchEnd()
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{
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m_touchpadGestureRecognizer->endPinchGesture();
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}
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} // namespace
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